Powderpost Beetle

Scientific Name: Lyctinae subfamily

Order & Family: Coleoptera: Bostrichidae

Size: 2 mm to 7.5 mm (1/16 to 1/4 inch)

Powderpost Beetle

Natural Habitat

Found in seasoned hardwoods, including flooring, furniture, and structural timbers.

Diet & Feeding

Larvae feed on the starch and sugar found in the sapwood of seasoned hardwoods.

Behavior Patterns

Females lay eggs in the pores of wood; larvae bore into the material, creating a system of tunnels filled with fine, flour-like dust.

Risks & Benefits

A significant structural pest that can cause serious damage to wooden structures and belongings if left untreated.

Identified on: 5/29/2026